Concurrency | Compile My Mind

8/20/26

A service feels slow, so the team gives it more workers. The request queue becomes shorter, but CPU usage stays almost unchanged. Someone …

concurrency parallelism system-design programming-fundamentals

8/14/26

A web server becomes slow, so someone suggests adding more threads. Another person proposes splitting the work into separate processes. Both …

concurrency system-design scalability software-architecture

7/20/26

Swift concurrency is easier to reason about when four ideas remain separate: async marks a function that may suspend. await marks a possible …

swift ios concurrency actors